module MergeRequests class CreateFromIssueService < MergeRequests::CreateService def initialize(project, user, params) # branch - the name of new branch # ref - the source of new branch. @branch_name = params[:branch_name] @issue_iid = params[:issue_iid] @ref = params[:ref] super(project, user) end def execute return error('Invalid issue iid') unless @issue_iid.present? && issue.present? params[:label_ids] = issue.label_ids if issue.label_ids.any? result = CreateBranchService.new(project, current_user).execute(branch_name, ref) return result if result[:status] == :error SystemNoteService.new_issue_branch(issue, project, current_user, branch_name) new_merge_request = create(merge_request) if new_merge_request.valid? success(new_merge_request) else error(new_merge_request.errors) end end private def issue @issue ||= IssuesFinder.new(current_user, project_id: project.id).find_by(iid: @issue_iid) end def branch_name @branch ||= @branch_name || issue.to_branch_name end def ref @ref || project.default_branch || 'master' end def merge_request MergeRequests::BuildService.new(project, current_user, merge_request_params).execute end def merge_request_params { issue_iid: @issue_iid, source_project_id: project.id, source_branch: branch_name, target_project_id: project.id, target_branch: ref, milestone_id: issue.milestone_id } end def success(merge_request) super().merge(merge_request: merge_request) end end end